js-slang is now Conductor-only: verify the build, and the remaining unported bundles

[martin-henz]

js-slang has become a Conductor-only runner (source-academy/js-slang#2070): it can no longer run Source outside Conductor, and ~18.5k lines that existed only to serve that are gone. source-academy/js-slang#2069 records what was kept and when each remaining piece can go.

This is a heads-up plus things to verify, not a breakage report — I checked before filing, and no bundle uses a removed API.

The good news

What this repo imports from js-slang is all kept:

Import	Sites	Status
js-slang/dist/stdlib/list	10	kept
js-slang/dist/types	5	kept
js-slang/dist/errors/base	4	kept
js-slang/dist/utils/stringify	3	kept
js-slang/dist/utils/rttc	2	kept
js-slang/dist/utils/operators	2	kept
js-slang (root)	6	kept

Nothing references compile/compileFiles, findDeclaration, getScope, getNames, SourceDocumentation, dist/vm, dist/typeChecker, dist/editors or dist/name-extractor.

Worth checking: 1. A real install

The above is static analysis of this repo's source. A yarn install against js-slang built from js-slang#2070, followed by yarn tsc:all and the bundle builds, is what actually settles it — particularly for the js-slang: "*" dependency at the workspace root and catalog: in modules-lib.

Worth checking: 2. The legacy module interop

requireProvider — the mechanism by which a non-Conductor Source module receives a fake require('js-slang') exposing the interpreter, parser, stdlib and utils/operators — still exists in js-slang, but only because java-slang borrows the module loader. It is on the removal list once java-slang#95 lands (js-slang#2069, section 3).

So bundles that are not yet Conductor-ported are living on borrowed time. conductor-modules.json currently lists 12 of ~25:

binary_tree, csg, curve, matrix, midi, pix_n_flix,
plotly, repeat, repl, rune, scrabble, sound

The remaining ones — game, unity_academy, robot_simulation, arcade_2d, physics_2d, nbody, painter, sound_matrix, stereo_sound, copy_gc, mark_sweep, unittest, rune_in_words, communication, wasm — will need porting before that removal, and are the real work here.

Context

Source now runs only under Conductor in the frontend, so a Source program can only reach a module through the Conductor module interface. The non-Conductor path that requireProvider serves is reachable today only for Java.